local.cpp

来自「C++编程思想第二版第一册答案」· C++ 代码 · 共 29 行

//: C10:Local.cpp
// From Thinking in C++, 2nd Edition
// Available at http://www.BruceEckel.com
// (c) Bruce Eckel 1999
// Copyright notice in Copyright.txt
// Static members & local classes
#include <iostream>
using namespace std;

// Nested class CAN have static data members:
class Outer {
  class Inner {
    static int i; // OK
  };
};

int Outer::Inner::i = 47;

// Local class cannot have static data members:
void f() {
  class Local {
  public:
//! static int i;  // Error
    // (How would you define i?)
  } x;
} 

int main() { Outer x; f(); } ///:~